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38 votes
38 votes
Factoring 8x^2-12x-8

User MonocroM
by
2.6k points

2 Answers

18 votes
18 votes

Answer:


4(x-2)(2x+1)

Explanation:

1) Common factor


8x^2-12x-8\\


4(2x^2-3x-2)

2) Use the sum-product pattern


4(2x^2-3x-2)


4(2x^2+x-4x-2)

3) Common factor from the two pairs


4(2x^2+x-4x-2)


4(x(2x+1)-2(2x+1))

4) Rewrite in factored form


4(x(2x+1)-2(2x+1))


4(x-2)(2x+1)

User Wesley Petrowski
by
2.6k points
5 votes
5 votes

Answer:

( 8x - 4 ) ( x - 2 )

Explanation:

8x² - 12x - 8

8x² - 16x + 4x - 8

8x ( x - 2 ) - 4 ( x - 2 )

( 8x - 4 ) ( x - 2 )

User Cbutler
by
2.9k points
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